Home / 116,978,297.04-161,435,094.44-64,767,332.75

Finding the Fourth Proportional to 116,978,297.04, 161,435,094.44 and 64,767,332.75

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Solution

The fourth proportional to 116,978,297.04, 161,435,094.44 and 64,767,332.75 is: 89,381,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,978,297.04 : 161,435,094.44 = 64,767,332.75 : x
  2. Step 2: Convert to fraction form
    116,978,297.04/161,435,094.44 = 64,767,332.75/x
  3. Step 3: Cross multiply
    116,978,297.04x = 161,435,094.44 × 64,767,332.75
  4. Step 4: Simplify right side
    116,978,297.04x = 10,455,720,477,992,142
  5. Step 5: Solve for x
    x = 10,455,720,477,992,142/116,978,297.04
  6. Step 6: Final answer
    x = 89,381,712.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.